Arithmetic

Direct & Inverse Proportion

Image Credit: Pixabay.com Variation When two quantities related in such a way that change in one quantity causes cha…

Compound Interest

Image Credit: Pixabay.com We know that Interest is an extra money charged on a borrowed money at some rate for a given…

Discounts & Taxes

Image Credit: Pixabay.com "Discount is the reduction given on the Marked Price of an article to promote its sale.&…

Simple Interest

Image Credit: Pixabay.com   Principal Borrowed money is called Principal. Time Period  Period of time for which mo…

Profit and Loss

Image Credit: Pixabay.com Cost Price (CP)  The buying price of any item is known as its cost price.It is written in s…

Percentage

Image Credit: Pixabay.com ➤ We know how to compare fractions. In case of unlike fractions , first we get their equival…

Ratio & Proportion

Image Credit: Pixabay.com Comparing Quantities (same type) Compare by Difference - by how much ? e.g. Cost of a ca…

Euclid’s Division Algorithm

Lemma  A lemma is a proven statement used for proving another statement Euclid’s division Lemma Given positive int…

Real Numbers

Image Credit: Pixabay.com The collection  of numbers including all rational numbers and irrational numbers is called  R…

Irrational Numbers

Image Credit: Pixabay.com Various types of numbers we have learned so far ➣ Counting numbers - 1, 2, 3,... ➣ Zero - 0…

Cube and Cube Roots

Image Credit: Pixabay.com Cube Number ➤ Product we get when an number is multiplied three times by itself is called a…

Square and Square Roots

Image Credit: Pixabay.com Product we get when a number is multiplied with itself is called a square number . or resu…

Negative Exponents

Image Credit: Pixabay.com Thickness of a piece of paper is 0.00016 m The size of a plant cell is 0.00001275 m. Diamet…

Exponents & Powers

Image Credit: Pixabay.com Mass of earth = 5,970,000,000,000,000,000,000,000 kg Mass of Uranus = 86,800,000,000,000,00…

Properties of Rational Numbers

Closure Property If the result obtained after performing a specific mathematical operation between any two rational nu…

Rational Numbers

Image Credit: Pixabay.com So far, we have studied about the following set of numbers Natural number,  N = {1, 2, 3, ..…

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